Trading in the WDM segment is open on all days except Saturdays, Sundays and other holidays, as specified by the Exchange. The market timings are as given below:

Trading on WDM segment is divided into three phases as under:
1.  Pre-Open
2.  Market Open
3.  SURCON


Pre-Open Market Phase
The pre-open period commences from 9.00 a.m. This period allows the trading member/Participant to:
§  set up counter party exposure limits
§  set up Market Watch (the security descriptor)
§  make inquiries


Market Open Phase
The system allows for inquiries of the following activities when the market is open for trading:
1.  Order Entry
2.  Order Modification
3.  Order Cancellation
4.  Negotiated Entry
5.  Trade Cancellation
6.  Setting up counter party exposure limits


Post Market Phase (also called SURCON)
During the period of SURCON (SURveillance and CONtrol) a trading member gets only inquiry access with a facility to request for trade cancellation. On completion of SURCON the trading system processes data and gets the system ready for the next day.